Bald Engineer

A tediously accurate scale model of the solar system When I was growing up, I watched a lot of Star Trek. Over time I’ve looked into other Sci-Fi series. The occasional hit, like …

For fifteen years I used my Radio Shack 22-168A digital multimeter as my go-to meter. A couple of years ago I bought a Fluke 115. Not because the RS meter lacked a measurement, but …

It’s a well-known fact of engineering: LEDs make everything look better. And that means a Fading LED is even better. Using Arduino’s analogWrite(), fading a LED is just a matter of …

Took this screenshot while I waited for the AddOhms Q&A #02 Video to finish rendering. What could I be pondering? (If this site still had comments, I would say leave it here…)

Ben Krasnow from Applied Science on YouTube uses his Electron Microscope to compare spinning media. The part of the video that caught my attention is the Vinyl Record. Not only …

You are probably familiar with Neil deGrasse Tyson. He is as brilliant as he is entertaining. That fact is why I was so excited when I saw his name pop-up on my queue for the …

Pulse Width Modulation (PWM) makes it possible to dim lights, control the speed of motors, and (with the help of filters) generate analog reference voltages. When measuring the …

How a Brushed DC Motor works and how to use them This Addohms Electronics Motor Tutorial goes into the third dimension. Using a 3D model, we show what makes a brushed DC motor, …

Bloomicon / Shutterstock.com Engineers are notorious introverts. An untrue generalization is that introverts hate being social. Like all humans, introverts are social creatures. We …

While I bought my 3D printer a couple of years ago, in March of this year, it only had 75 hours of use. Since March, my counter is over 300 hours. Why? After spending some time …